10x+6-12x-8 what is the answer
2 answers:
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Answer:
a) 18.4%
Step-by-step explanation:
Assuming a normal distribution, the z-score (z) for the probability of the average of the mosquitoes count being 'X' is given by:
Where 'μ' is the distribution mean, 'σ' is the standard deviation and 'n' is the number of square meters chosen.
For X = 81.8 and n=36:
A z-score of 0.9 is equivalent to the 81.59 th percentile in a normal distribution.
Therefore, the probability (P) that the average of those counts is more than 81.8 mosquitoes per square meter is:
Answer:
Step-by-step explanation:
Given
If the temperature falls by in 3 hours
Present temperature is
The difference in temperature i.e.
Temperature 3 hours ago is
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